Reuleaux
# Reuleaux

Reuleaux may refer to:

* Franz Reuleaux (1829–1905), German mechanical engineer and lecturer
* in geometry:
   * Reuleaux polygon, a curve of constant width
      * Reuleaux triangle, a Reuleaux polygon with three sides
      * Reuleaux heptagon, a Reuleaux polygon with seven sides that provides the shape of some currency coins
   * Reuleaux tetrahedron, the intersection of four spheres of equal radius centered at the vertices of a regular tetrahedron
